JP2019179927A - 高反射フリップチップledダイ - Google Patents
高反射フリップチップledダイ Download PDFInfo
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- JP2019179927A JP2019179927A JP2019109167A JP2019109167A JP2019179927A JP 2019179927 A JP2019179927 A JP 2019179927A JP 2019109167 A JP2019109167 A JP 2019109167A JP 2019109167 A JP2019109167 A JP 2019109167A JP 2019179927 A JP2019179927 A JP 2019179927A
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 89
- 239000002184 metal Substances 0.000 claims abstract description 89
- 239000000758 substrate Substances 0.000 claims abstract description 57
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000000463 material Substances 0.000 claims description 17
- 238000002310 reflectometry Methods 0.000 claims description 14
- 239000004065 semiconductor Substances 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 abstract description 3
- 239000004332 silver Substances 0.000 abstract description 3
- 239000002245 particle Substances 0.000 description 6
- 229910052594 sapphire Inorganic materials 0.000 description 6
- 239000010980 sapphire Substances 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 238000005530 etching Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000005012 migration Effects 0.000 description 3
- 238000013508 migration Methods 0.000 description 3
- 238000001465 metallisation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007788 roughening Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- -1 Ni and Au Chemical class 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002096 quantum dot Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000001429 visible spectrum Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/36—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes
- H01L33/40—Materials therefor
- H01L33/405—Reflective materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/04—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a quantum effect structure or superlattice, e.g. tunnel junction
- H01L33/06—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a quantum effect structure or superlattice, e.g. tunnel junction within the light emitting region, e.g. quantum confinement structure or tunnel barrier
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/20—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a particular shape, e.g. curved or truncated substrate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/26—Materials of the light emitting region
- H01L33/30—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table
- H01L33/32—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table containing nitrogen
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/44—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the coatings, e.g. passivation layer or anti-reflective coating
- H01L33/46—Reflective coating, e.g. dielectric Bragg reflector
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/50—Wavelength conversion elements
- H01L33/501—Wavelength conversion elements characterised by the materials, e.g. binder
- H01L33/502—Wavelength conversion materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2933/00—Details relating to devices covered by the group H01L33/00 but not provided for in its subgroups
- H01L2933/0008—Processes
- H01L2933/0025—Processes relating to coatings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/36—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes
- H01L33/38—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes with a particular shape
- H01L33/382—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes with a particular shape the electrode extending partially in or entirely through the semiconductor body
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/36—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes
- H01L33/40—Materials therefor
- H01L33/42—Transparent materials
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Led Devices (AREA)
- Led Device Packages (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
Description
Claims (14)
- 発光ダイオード(LED)ダイの構造体であって、
N型層と、P型層と、光を発する活性層とを含むLED半導体層と、
第1表面と、該第1表面とは反対の第2表面とを有する成長基板であり、
前記N型層、前記P型層、及び前記活性層が、前記第1表面に成長されており、
前記活性層によって生成される前記光の少なくとも一部が当該基板の前記第1表面に入って当該基板の前記第2表面を出て行くように、前記N型層、前記P型層、及び前記活性層が配置されており、
前記LED半導体層が、前記ダイの中心部分付近に配置された1つ以上の開口を有し、該開口のうちの少なくとも1つが当該基板の前記第1表面を露出させる、
基板と、
前記基板の前記第2表面の上に位置する波長変換層と、
前記波長変換層からの光を反射するように前記基板の前記第1表面の少なくとも一部に接触して前記1つ以上の開口内に堆積された反射材料と、
前記1つ以上の開口のうちの少なくとも1つの開口のエッジに沿って前記N型層に直に接触したNコンタクトメタルと
を有し、
前記1つ以上の開口内に堆積された前記反射材料は、前記波長変換層から発せられる前記光に対して、前記Nコンタクトメタルの反射率よりも高い反射率を有する、
構造体。 - 前記反射材料は、前記基板に直に接触する金属である、請求項1に記載の構造体。
- 前記反射材料は、前記N型層及び前記Nコンタクトメタルに電気的に接続されて、前記N型層のための電流を導通する、請求項2に記載の構造体。
- 前記反射材料は、前記N型層から電気的に絶縁されている、請求項2に記載の構造体。
- 前記LEDダイのエッジに沿って前記LED半導体層内に形成された1つ以上のトレンチを更に有する請求項1に記載の構造体。
- 前記1つ以上の開口のうちの1つは十字形状を形成している、請求項1に記載の構造体。
- 前記1つ以上の開口は、複数の開口を有する、請求項1に記載の構造体。
- 前記1つ以上の開口は、複数の開口を有し、当該構造体は、前記複数の開口の各々のエッジに沿って前記反射材料を前記N型層に電気接続するNコンタクトメタルリングとして、前記Nコンタクトメタルを有する、請求項1に記載の構造体。
- 前記反射材料はAgを有する、請求項1に記載の構造体。
- 前記反射材料は、前記N型層及び前記Nコンタクトメタルと電気的に接触する第1の金属層であり、当該構造体は更に、前記P型層と電気的に接触する第2の金属層を有し、前記第1の金属層及び前記第2の金属層は、前記LEDダイの底面のアノード電極及びカソード電極にて終端している、請求項1に記載の構造体。
- 前記波長変換層は、前記基板の側壁をも覆って形成された蛍光体層である、請求項1に記載の構造体。
- 前記基板の側壁を覆って形成された反射体を更に有する請求項1に記載の構造体。
- 前記反射材料は、分布ブラッグ反射器を形成する誘電体スタックを有する、請求項1に記載の構造体。
- 前記基板と前記反射材料との間に誘電体層を更に有し、前記反射材料は、誘電体層と金属層とのスタックを有し、前記誘電体層は、前記基板と接触し、且つ前記基板の屈折率よりも低い屈折率を有する、請求項1に記載の構造体。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US201361847603P | 2013-07-18 | 2013-07-18 | |
US61/847,603 | 2013-07-18 |
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JP2016526728A Division JP2016528728A (ja) | 2013-07-18 | 2014-07-02 | 高反射フリップチップledダイ |
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JP2019179927A true JP2019179927A (ja) | 2019-10-17 |
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JP2016526728A Pending JP2016528728A (ja) | 2013-07-18 | 2014-07-02 | 高反射フリップチップledダイ |
JP2019109167A Pending JP2019179927A (ja) | 2013-07-18 | 2019-06-12 | 高反射フリップチップledダイ |
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JP2016526728A Pending JP2016528728A (ja) | 2013-07-18 | 2014-07-02 | 高反射フリップチップledダイ |
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Country | Link |
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US (1) | US20160155901A1 (ja) |
EP (1) | EP3022778B1 (ja) |
JP (2) | JP2016528728A (ja) |
KR (1) | KR102222861B1 (ja) |
CN (2) | CN105378951B (ja) |
WO (1) | WO2015008184A1 (ja) |
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KR102554702B1 (ko) * | 2015-08-25 | 2023-07-13 | 쑤저우 레킨 세미컨덕터 컴퍼니 리미티드 | 발광소자 및 이를 포함하는 발광소자 패키지 |
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EP3022778A1 (en) | 2016-05-25 |
EP3022778B1 (en) | 2019-06-26 |
WO2015008184A1 (en) | 2015-01-22 |
CN105378951B (zh) | 2019-11-05 |
JP2016528728A (ja) | 2016-09-15 |
KR102222861B1 (ko) | 2021-03-04 |
KR20160032224A (ko) | 2016-03-23 |
CN110635009B (zh) | 2023-03-31 |
US20160155901A1 (en) | 2016-06-02 |
CN110635009A (zh) | 2019-12-31 |
CN105378951A (zh) | 2016-03-02 |
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